Suppose the reserve requirement ratio is 20 percent. Assuming no bank holds excess reserves and nobody withdraws cash, a $10,000 injection of new excess reserves by the Fed can create
A) $2,000 in new checkable deposits
B) $10,000 in new checkable deposits
C) $50,000 in new checkable deposits
D) $500,000 in new checkable deposits
E) $50,000 in cash